mlx5e_rep: push cls_flower setup_tc processing into a separate function

Let mlx5e_rep_setup_tc (former mlx5e_rep_ndo_setup_tc) be a splitter for
specific setup_tc types and push out cls_flower specific code into
a separate function.
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Acked-by: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/mellanox/mlx5/core/en_rep.c

@@ -651,38 +651,47 @@ static int mlx5e_rep_get_phys_port_name(struct net_device *dev,
 	return 0;
 }
 
-static int mlx5e_rep_ndo_setup_tc(struct net_device *dev,
-				  enum tc_setup_type type, u32 handle,
-				  u32 chain_index, __be16 proto,
+static int mlx5e_rep_setup_tc_cls_flower(struct net_device *dev,
+					 u32 handle, u32 chain_index,
+					 __be16 proto,
 					 struct tc_to_netdev *tc)
 {
+	struct tc_cls_flower_offload *cls_flower = tc->cls_flower;
 	struct mlx5e_priv *priv = netdev_priv(dev);
 
-	if (TC_H_MAJ(handle) != TC_H_MAJ(TC_H_INGRESS))
+	if (TC_H_MAJ(handle) != TC_H_MAJ(TC_H_INGRESS) ||
+	    chain_index)
 		return -EOPNOTSUPP;
 
-	if (type == TC_SETUP_CLSFLOWER && tc->cls_flower->egress_dev) {
+	if (cls_flower->egress_dev) {
 		struct mlx5_eswitch *esw = priv->mdev->priv.eswitch;
-		struct net_device *uplink_dev = mlx5_eswitch_get_uplink_netdev(esw);
 
-		return uplink_dev->netdev_ops->ndo_setup_tc(uplink_dev, type,
+		dev = mlx5_eswitch_get_uplink_netdev(esw);
+		return dev->netdev_ops->ndo_setup_tc(dev, TC_SETUP_CLSFLOWER,
 						     handle, chain_index,
 						     proto, tc);
 	}
 
-	if (chain_index)
-		return -EOPNOTSUPP;
-
-	switch (type) {
-	case TC_SETUP_CLSFLOWER:
-		switch (tc->cls_flower->command) {
+	switch (cls_flower->command) {
 	case TC_CLSFLOWER_REPLACE:
-			return mlx5e_configure_flower(priv, proto, tc->cls_flower);
+		return mlx5e_configure_flower(priv, proto, cls_flower);
 	case TC_CLSFLOWER_DESTROY:
-			return mlx5e_delete_flower(priv, tc->cls_flower);
+		return mlx5e_delete_flower(priv, cls_flower);
 	case TC_CLSFLOWER_STATS:
-			return mlx5e_stats_flower(priv, tc->cls_flower);
+		return mlx5e_stats_flower(priv, cls_flower);
+	default:
+		return -EOPNOTSUPP;
 	}
+}
+
+static int mlx5e_rep_setup_tc(struct net_device *dev, enum tc_setup_type type,
+			      u32 handle, u32 chain_index, __be16 proto,
+			      struct tc_to_netdev *tc)
+{
+	switch (type) {
+	case TC_SETUP_CLSFLOWER:
+		return mlx5e_rep_setup_tc_cls_flower(dev, handle, chain_index,
+						     proto, tc);
 	default:
 		return -EOPNOTSUPP;
 	}
@@ -774,7 +783,7 @@ static const struct net_device_ops mlx5e_netdev_ops_rep = {
 	.ndo_stop                = mlx5e_rep_close,
 	.ndo_start_xmit          = mlx5e_xmit,
 	.ndo_get_phys_port_name  = mlx5e_rep_get_phys_port_name,
-	.ndo_setup_tc            = mlx5e_rep_ndo_setup_tc,
+	.ndo_setup_tc            = mlx5e_rep_setup_tc,
 	.ndo_get_stats64         = mlx5e_rep_get_stats,
 	.ndo_has_offload_stats	 = mlx5e_has_offload_stats,
 	.ndo_get_offload_stats	 = mlx5e_get_offload_stats,